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Finding the Fourth Proportional to 32,460.80, 48,638.40 and 29,350.40

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Solution

The fourth proportional to 32,460.80, 48,638.40 and 29,350.40 is: 43,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,460.80 : 48,638.40 = 29,350.40 : x
  2. Step 2: Convert to fraction form
    32,460.80/48,638.40 = 29,350.40/x
  3. Step 3: Cross multiply
    32,460.80x = 48,638.40 × 29,350.40
  4. Step 4: Simplify right side
    32,460.80x = 1,427,556,495.36
  5. Step 5: Solve for x
    x = 1,427,556,495.36/32,460.80
  6. Step 6: Final answer
    x = 43,977.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.